<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        #one{
            color:#ff0000;
            font-size:30px;
            font-weight:lighter;
            font-style:normal;
            font-family:"Microsoft YaHei";
        }
        #two{
            color:rgb(0,255,0);
            font-size:30px;
            font-weight:400;
            font-style:italic;
            font-family:"宋体";
        }
        #three{
            color:rgba(0,0,0,0.3);
            font-size:30px;
            font-weight:bold;
        }
    </style>
</head>
<body>
    <p id="one">这是第一个标签</p>
    <p id="two">这是第二个标签</p>
    <p id="three">这是第三个标签</p>
</body>
</html>